Duplicate / double processing, diverging Codex sessions for the same chat mobile <-> desktop

What version of the Codex App are you using (From “About Codex” dialog)?

26.715.31925

What subscription do you have?

Max

What platform is your computer?

Darwin 25.1.0 arm64 arm

What issue are you seeing?

Working on the same Codex chat on mobile and on desktop. messages seemed off.. after some hours I realized that Mac app and iOS app are in the same chat but working in different sessions, basically doubling the token usage for hours.

There is a significant drift between macOS and iOS app.

What steps can reproduce the bug?

I don't know how to reproduce it. Try working on the same chat on mobile and desktop for some time. They will be out of sync and you'll create multiple sessions in one chat.

What is the expected behavior?

Chat / session should be 100% in sync.

Additional information

_No response_